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2566275287 is a prime number
BaseRepresentation
bin1001100011110110…
…0100000011010111
320121211220021212212
42120331210003113
520223431302122
61102352104035
7120410660102
oct23075440327
96554807785
102566275287
1110a7660674
125b753501b
1331b8957b4
141a4b83739
1510046cce2
hex98f640d7

2566275287 has 2 divisors, whose sum is σ = 2566275288. Its totient is φ = 2566275286.

The previous prime is 2566275227. The next prime is 2566275311. The reversal of 2566275287 is 7825726652.

2566275287 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2566275287 - 230 = 1492533463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2566275227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1283137643 + 1283137644.

It is an arithmetic number, because the mean of its divisors is an integer number (1283137644).

Almost surely, 22566275287 is an apocalyptic number.

2566275287 is a deficient number, since it is larger than the sum of its proper divisors (1).

2566275287 is an equidigital number, since it uses as much as digits as its factorization.

2566275287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2822400, while the sum is 50.

The square root of 2566275287 is about 50658.4177309162. The cubic root of 2566275287 is about 1369.0976150332.

The spelling of 2566275287 in words is "two billion, five hundred sixty-six million, two hundred seventy-five thousand, two hundred eighty-seven".